Annual report pursuant to Section 13 and 15(d)

Equity (Details Textual)

v3.8.0.1
Equity (Details Textual) - USD ($)
1 Months Ended 5 Months Ended 7 Months Ended 12 Months Ended
Nov. 28, 2017
Nov. 01, 2017
May 02, 2017
Aug. 30, 2017
Dec. 07, 2016
Jul. 20, 2016
Jul. 19, 2016
Jul. 31, 2014
Jul. 21, 2014
Dec. 31, 2016
Jul. 19, 2016
Dec. 31, 2017
Jan. 31, 2016
Jul. 15, 2014
Common Stock, Shares Authorized                   100,000,000   100,000,000    
Common Stock, Par or Stated Value Per Share                   $ 0.0001   $ 0.0001    
Preferred Stock, Shares Authorized                       1,000,000    
Preferred Stock, Par or Stated Value Per Share                       $ 0.0001    
Common Stock, Shares, Issued                   7,454,491   7,504,133    
Class of Warrant or Right, Outstanding               4,798,000   4,665,676   4,659,472    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights               479,800       600,000    
Stock Issued During Period, Shares, New Issues           2,200,005                
Units Sold, Number               4,798,000            
Share Price                         $ 13.50  
Proceeds from Issuance of Common Stock                   $ 17,236,000   $ 0    
Share-based Compensation       $ 1,700,000           $ 0   $ 1,656,000    
Unit Purchase Options [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross                 300,000          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period         282,900             282,900    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number                   17,100   17,100    
Restricted Stock Units [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period       438,800                    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized       800,000                    
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized       $ 2.3                    
Restricted Stock Units [Member] | Executive Officer [Member]                            
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 1,067                          
Public warrants [Member]                            
Class of Warrant or Right, Outstanding                   4,600,000   4,600,000    
Sponsor Warrants [Member]                            
Class of Warrant or Right, Outstanding                   198,000   198,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights For Half Share                   5.75   5.75    
Class of Warrant or Right, Exercise Price of Warrants or Rights                   $ 11.50   $ 11.50    
Fifteen Dollar Exercise Price Warrants [Member]                            
Class of Warrant or Right, Outstanding                   600,000   600,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights                   $ 15.00   $ 15.00    
Merger Warrants [Member]                            
Class of Warrant or Right, Outstanding                   666,670   664,188    
Class of Warrant or Right, Exercise Price of Warrants or Rights                   $ 12.50   $ 12.50    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period   2,172 310                      
Additional Merger Warrants [Member]                            
Class of Warrant or Right, Outstanding                   1,000,006   996,284    
Class of Warrant or Right, Exercise Price of Warrants or Rights                   $ 11.50   $ 11.50    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period   3,257 465                      
Predecessor [Member]                            
Proceeds from Issuance of Common Stock                     $ 0      
Share-based Compensation             $ 1,500,000       $ 1,349,000      
Predecessor [Member] | Public warrants [Member]                            
Class of Warrant or Right, Exercise Price of Warrants or Rights                   $ 15   $ 15    
Predecessor [Member] | Sponsor Warrants [Member]                            
Class of Warrant or Right, Exercise Price of Warrants or Rights                           $ 15
Capital Unit, Class A [Member] | Predecessor [Member]                            
Common Unit, Authorized                       10,000,000    
Capital Unit Class C [Member] | Predecessor [Member]                            
Common Unit, Authorized                       2,000,000    
Common Stock [Member]                            
Stock Issued During Period, Shares, New Issues   696 111             1,405,500        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period                   121,173        
Stock Issued During Period By Selling Stockholder, Shares                   375,000        
Stock Issued During Period, Value, Issued for Services                   $ 22,800,000        
Common Stock [Member] | IPO [Member]                            
Stock Issued During Period, Shares, New Issues                   1,780,500        
Common Stock [Member] | Over-Allotment Option [Member]                            
Stock Issued During Period, Shares, New Issues                   153,907        
Common Stock [Member] | Unit Purchase Options [Member]                            
Stock Issued During Period, Shares, New Issues         121,173                  
Convertible Common Stock [Member]                            
Common Stock, Shares, Issued                       5,948,000